Very Cold Temperatures from the Northern Plains to Ohio Valley; Swath of Snow from the Midwest to Central Appalachians

Arctic air will bring very cold temperatures and dangerous wind chills from the Northern Plains to the Ohio Valley today, expanding into the Mid-South and Mid-Atlantic on Sunday. A swath of accumulating snow is expected today from the Midwest to Central Appalachians, expanding into portions of the Mid-Atlantic tonight into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

-4°F

-20°C

Humidity	77%
Wind Speed	NW 8 mph
Barometer	30.41 in
Dewpoint	-9°F (-23°C)
Visibility	10.00 mi
Wind Chill	-19°F (-28°C)
Last update	14 Dec 1:35 am CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles WSW Darien WI

Cold Weather Advisory December 14, 01:49am until December 14, 10:00am

Click here for hazard details and duration

Cold Weather Advisory

Cold Weather Advisory December 14, 01:49am until December 14, 10:00am
NOW until 10:00am Sun
Cold Weather Advisory
Overnight
Low: -10 °F
Clear
Sunday
High: 7 °F
Cold
Sunday Night
Low: -3 °F
Mostly Cloudy
Monday
High: 21 °F
Mostly Cloudy
and Breezy
then Partly
Sunny
Monday Night
Low: 10 °F
Mostly Cloudy
Tuesday
High: 34 °F
Mostly Cloudy
Tuesday Night
Low: 24 °F
Mostly Cloudy
Wednesday
High: 36 °F
Partly Sunny

Detailed Forecast

Overnight

Clear, with a low around -10. Wind chill values between -20 and -30. Northwest wind around 10 mph.

Sunday

Sunny and cold, with a high near 7. Wind chill values between -20 and -30. Northwest wind 5 to 10 mph.

Sunday Night

Mostly cloudy, with a low around -3. Wind chill values between -10 and -15. Southwest wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Winds could gust as high as 25 mph.

Monday

Partly sunny, with a high near 21. Wind chill values between -5 and -15. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.

Monday Night

Mostly cloudy, with a low around 10. West wind around 5 mph becoming calm in the evening.

Tuesday

Mostly cloudy, with a high near 34. Southwest wind 5 to 15 mph.

Tuesday Night

Mostly cloudy, with a low around 24. Southwest wind 5 to 15 mph becoming west after midnight.

Wednesday

Partly sunny, with a high near 36. West wind 5 to 10 mph becoming south in the afternoon.

Wednesday Night

A 50 percent chance of rain, mainly after midnight. Cloudy, with a low around 28. Breezy.

Thursday

A chance of rain before noon, then a slight chance of rain and snow. Mostly cloudy, with a temperature falling to around 29 by 5pm. Breezy. Chance of precipitation is 50%.

Thursday Night

Partly cloudy, with a low around 8.

Friday

Partly sunny, with a high near 27.

Friday Night

A 20 percent chance of snow. Mostly cloudy, with a low around 18.

Saturday

A slight chance of rain and snow. Partly sunny, with a high near 38. Chance of precipitation is 20%.